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Invariants under Group Actions to Amaze Your Friends

by Douglas E. Ensley (Shippensburg University)

This article originally appeared in:
Mathematics Magazine
December, 1999

Subject classification(s): Discrete Mathematics | Combinatorics | Permutations
Applicable Course(s): 4.2 Mod Algebra I & II

The author applies basic group theory ideas to a variety of card tricks.

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